XML 122 R106.htm IDEA: XBRL DOCUMENT v3.10.0.1
Commitments, Guarantees, Indemnifications, and Legal Proceedings - Additional Information (Details)
 3 Months Ended 12 Months Ended
Jun. 30, 2018
USD ($)
Mar. 31, 2018
USD ($)
Dec. 31, 2018
USD ($)
a
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 13, 2017
USD ($)
Feb. 08, 2017
USD ($)
Schedule Of Commitments And Contingencies [Line Items]              
Capital commitments     $ 112,800,000     $ 281,300,000  
Area leased under timberland cutting rights (acres) | a     75,000        
Average lease renewal term     6 years        
Total lease expense     $ 115,100,000 $ 100,600,000 $ 88,300,000    
Sublease rental income     0 0      
Capital lease obligations     19,000,000     $ 20,300,000  
Interest paid, capital lease obligations     1,300,000 1,400,000 1,500,000    
Purchases during period under purchase agreements     341,900,000 339,100,000 $ 362,000,000    
Environmental reserve     27,300,000        
Environmental liabilities and asset retirement obligations     $ 5,000,000 $ 4,000,000      
DeRidder, Louisiana              
Schedule Of Commitments And Contingencies [Line Items]              
Loss contingency, period of occurrence     February 8, 2017        
Liability insurance             $ 1,000,000
Property damage and business interruption losses             $ 5,000,000
Claim with insurance carrier   $ 17,000,000          
Insurance proceeds included in net cash provided by operating activities   14,500,000          
Insurance proceeds included in net cash provided by operating activities   $ 2,500,000          
Payment of Penalties $ 40,000            
Asset Retirement Obligation              
Schedule Of Commitments And Contingencies [Line Items]              
Environmental reserve     $ 18,300,000        
Environmental Contingencies              
Schedule Of Commitments And Contingencies [Line Items]              
Environmental reserve     9,000,000        
Other Long-Term Liabilities              
Schedule Of Commitments And Contingencies [Line Items]              
Environmental reserve     $ 22,300,000        
Maximum              
Schedule Of Commitments And Contingencies [Line Items]              
Remaining lease term     4 years        
Purchase commitments term, years     22 years        
Minimum              
Schedule Of Commitments And Contingencies [Line Items]              
Purchase commitments term, years     1 year